| population | |
| Amphoe Mueang Nong Bua Lamphu | 134116 |
| Amphoe Na Klang | 87690 |
| population | |
| Amphoe Na Wang | 34347 |
| Amphoe Non Sang | 60687 |
| population | |
| Amphoe Si Bun Rueang | 103518 |
| Amphoe Suwannakhuha | 65617 |
 | Udon Thani Airport | ~ 59.09 km |
| Loei Airport | ~ 59.86 km |
| Udorn Air Base | ~ 60.23 km |
 | Wattay International Airport | ~ 88.54 km |
| Khon Kaen Airport | ~ 104.01 km |
| Phetchabun Airport | ~ 129.09 km |
| Sakon Nakhon Airport | ~ 198.60 km |
| Roi Et Airport | ~ 205.49 km |
| Phitsanulok Airport | ~ 215.91 km |
